Fix some error parser unit tests. A trailing colon was being included in several source files. Part of the fix is in CDT fix <https://bugs.eclipse.org/bugs/show_bug.cgi?id=296966> and Austin/MCL/sftools/dev/eclipseenv/eclipse 123:71e3840b8eca

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>

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 <copyright>
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 $Id: plugin.xml,v 1.1 2009/02/05 00:31:08 wpaul Exp $
-->

<plugin>
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